#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
    int n;
    while (~scanf("%d", &n))
    {
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                if (i == j)
                    printf("*");
                else if (j == n - i - 1)
                    printf("*");
                else
                    printf(" ");
            }
            printf("\n");
        }
    }
}